X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=config%2Fmdate-sh;h=881782eb55e450d170a16422ca9d50fb09afbe7a;hb=442f1f7d711e447a912fb2bc5c38ca3d8cfe936e;hp=37171f21fbd9fa5e825543aa766970281a9c5988;hpb=7cb622b42c51aa1cd522aa6f37d148993906cb80;p=gnulib.git

diff --git a/config/mdate-sh b/config/mdate-sh
index 37171f21f..881782eb5 100755
--- a/config/mdate-sh
+++ b/config/mdate-sh
@@ -1,6 +1,9 @@
 #!/bin/sh
 # Get modification time of a file or directory and pretty-print it.
-# Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
+
+scriptversion=2004-12-08.12
+
+# Copyright (C) 1995, 1996, 1997, 2003, 2004 Free Software Foundation, Inc.
 # written by Ulrich Drepper <drepper@gnu.ai.mit.edu>, June 1995
 #
 # This program is free software; you can redistribute it and/or modify
@@ -17,6 +20,36 @@
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that program.
+
+# This file is maintained in Automake, please report
+# bugs to <bug-automake@gnu.org> or send patches to
+# <automake-patches@gnu.org>.
+
+case $1 in
+  '')
+     echo "$0: No file.  Try \`$0 --help' for more information." 1>&2
+     exit 1;
+     ;;
+  -h | --h*)
+    cat <<\EOF
+Usage: mdate-sh [--help] [--version] FILE
+
+Pretty-print the modification time of FILE.
+
+Report bugs to <bug-automake@gnu.org>.
+EOF
+    exit 0
+    ;;
+  -v | --v*)
+    echo "mdate-sh $scriptversion"
+    exit 0
+    ;;
+esac
+
 # Prevent date giving response in another language.
 LANG=C
 export LANG
@@ -25,24 +58,38 @@ export LC_ALL
 LC_TIME=C
 export LC_TIME
 
-# Get the extended ls output of the file or directory.
-# On HPUX /bin/sh, "set" interprets "-rw-r--r--" as options, so the "x" below.
+save_arg1="$1"
+
+# Find out how to get the extended ls output of a file or directory.
 if ls -L /dev/null 1>/dev/null 2>&1; then
-  set - x`ls -L -l -d $1`
+  ls_command='ls -L -l -d'
 else
-  set - x`ls -l -d $1`
+  ls_command='ls -l -d'
 fi
-# The month is at least the fourth argument
-# (3 shifts here, the next inside the loop).
-shift
-shift
-shift
 
-# Find the month.  Next argument is day, followed by the year or time.
+# A `ls -l' line looks as follows on OS/2.
+#  drwxrwx---        0 Aug 11  2001 foo
+# This differs from Unix, which adds ownership information.
+#  drwxrwx---   2 root  root      4096 Aug 11  2001 foo
+#
+# To find the date, we split the line on spaces and iterate on words
+# until we find a month.  This cannot work with files whose owner is a
+# user named `Jan', or `Feb', etc.  However, it's unlikely that `/'
+# will be owned by a user whose name is a month.  So we first look at
+# the extended ls output of the root directory to decide how many
+# words should be skipped to get the date.
+
+# On HPUX /bin/sh, "set" interprets "-rw-r--r--" as options, so the "x" below.
+set x`ls -l -d /`
+
+# Find which argument is the month.
 month=
+command=
 until test $month
 do
   shift
+  # Add another shift to the command.
+  command="$command shift;"
   case $1 in
     Jan) month=January; nummonth=1;;
     Feb) month=February; nummonth=2;;
@@ -59,6 +106,28 @@ do
   esac
 done
 
+# Get the extended ls output of the file or directory.
+set x`eval "$ls_command \"\$save_arg1\""`
+
+# Remove all preceding arguments
+eval $command
+
+# Get the month.  Next argument is day, followed by the year or time.
+case $1 in
+  Jan) month=January; nummonth=1;;
+  Feb) month=February; nummonth=2;;
+  Mar) month=March; nummonth=3;;
+  Apr) month=April; nummonth=4;;
+  May) month=May; nummonth=5;;
+  Jun) month=June; nummonth=6;;
+  Jul) month=July; nummonth=7;;
+  Aug) month=August; nummonth=8;;
+  Sep) month=September; nummonth=9;;
+  Oct) month=October; nummonth=10;;
+  Nov) month=November; nummonth=11;;
+  Dec) month=December; nummonth=12;;
+esac
+
 day=$2
 
 # Here we have to deal with the problem that the ls output gives either
@@ -90,3 +159,12 @@ esac
 
 # The result.
 echo $day $month $year
+
+# Local Variables:
+# mode: shell-script
+# sh-indentation: 2
+# eval: (add-hook 'write-file-hooks 'time-stamp)
+# time-stamp-start: "scriptversion="
+# time-stamp-format: "%:y-%02m-%02d.%02H"
+# time-stamp-end: "$"
+# End: